<style scoped>
.datepicker-overlay {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 998;
  top: 0;
  left: 0;
  overflow: hidden;
  -webkit-animation: fadein 0.5s;
  /* Safari, Chrome and Opera > 12.1 */
  -moz-animation: fadein 0.5s;
  /* Firefox < 16 */
  -ms-animation: fadein 0.5s;
  /* Internet Explorer */
  -o-animation: fadein 0.5s;
  /* Opera < 12.1 */
  animation: fadein 0.5s;
}

@keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}


/* Firefox < 16 */

@-moz-keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}


/* Safari, Chrome and Opera > 12.1 */

@-webkit-keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}


/* Internet Explorer */

@-ms-keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}


/* Opera < 12.1 */

@-o-keyframes fadein {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.cov-date-body {
  display: inline-block;
  background: #3F51B5;
  overflow: hidden;
  position: relative;
  font-size: 16px;
  font-family: 'Roboto';
  font-weight: 400;
  position: fixed;
  display: block;
  width: 400px;
  max-width: 100%;
  z-index: 999;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.2);
}

.cov-picker-box {
  background: #fff;
  width: 100%;
  display: inline-block;
  padding: 25px;
  box-sizing: border-box !important;
  -moz-box-sizing: border-box !important;
  -webkit-box-sizing: border-box !important;
  -ms-box-sizing: border-box !important;
  width: 400px;
  max-width: 100%;
  height: 280px;
  text-align: start!important;
}

.cov-picker-box td {
  height: 34px;
  width: 34px;
  padding: 0;
  line-height: 34px;
  color: #000;
  background: #fff;
  text-align: center;
  cursor: pointer;
}

.cov-picker-box td:hover {
  background: #E6E6E6;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

.day {
  width: 14.2857143%;
  display: inline-block;
  text-align: center;
  cursor: pointer;
  height: 34px;
  padding: 0;
  line-height: 34px;
  color: #000;
  background: #fff;
  vertical-align: middle;
}

.week ul {
  margin: 0 0 8px;
  padding: 0;
  list-style: none;
}

.week ul li {
  width: 14.2%;
  display: inline-block;
  text-align: center;
  background: transparent;
  color: #000;
  font-weight: bold;
}

.passive-day {
  color: #bbb;
}

.checked {
  background: #F50057;
  color: #FFF !important;
  border-radius: 3px;
}

.unavailable {
  color: #ccc;
  cursor: not-allowed;
}

.cov-date-monthly {
  height: 150px;
}

.cov-date-monthly > div {
  display: inline-block;
  padding: 0;
  margin: 0;
  vertical-align: middle;
  color: #fff;
  height: 150px;
  float: left;
  text-align: center;
  cursor: pointer;
}

.cov-date-previous,
.cov-date-next {
  position: relative;
  width: 20% !important;
  text-indent: -300px;
  overflow: hidden;
  color: #fff;
}

.cov-date-caption {
  width: 60%;
  padding: 50px 0!important;
  box-sizing: border-box;
  font-size: 24px;
}

.cov-date-caption span:hover {
  color: rgba(255, 255, 255, 0.7);
}

.cov-date-previous:hover,
.cov-date-next:hover {
  background: rgba(255, 255, 255, 0.1);
}

.day:hover {
  background: #EAEAEA;
}

.unavailable:hover {
  background: none;
}

.checked:hover {
  background: #FF4F8E;
}

.cov-date-next::before,
.cov-date-previous::before {
  width: 20px;
  height: 2px;
  text-align: center;
  position: absolute;
  background: #fff;
  top: 50%;
  margin-top: -7px;
  margin-left: -7px;
  left: 50%;
  line-height: 0;
  content: '';
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.cov-date-next::after,
.cov-date-previous::after {
  width: 20px;
  height: 2px;
  text-align: center;
  position: absolute;
  background: #fff;
  margin-top: 6px;
  margin-left: -7px;
  top: 50%;
  left: 50%;
  line-height: 0;
  content: '';
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.cov-date-previous::after {
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  transform: rotate(45deg);
}

.cov-date-previous::before {
  -webkit-transform: rotate(-45deg);
  -moz-transform: rotate(-45deg);
  transform: rotate(-45deg);
}

.date-item {
  text-align: center;
  font-size: 20px;
  padding: 10px 0;
  cursor: pointer;
}

.date-item:hover {
  background: #e0e0e0;
}

.date-list {
  overflow: auto;
  vertical-align: top;
  padding: 0;
}

.cov-vue-date {
  display: inline-block;
  color: #5D5D5D;
}

.button-box {
  background: #fff;
  vertical-align: top;
  height: 50px;
  line-height: 50px;
  text-align: right;
  padding-right: 20px;
}

.button-box span {
  cursor: pointer;
  padding: 10px 20px;
}

.watch-box {
  height: 100%;
  overflow: hidden;
}

.hour-box,
.min-box {
  display: inline-block;
  width: 50%;
  text-align: center;
  height: 100%;
  overflow: auto;
  float: left;
}

.hour-box ul,
.min-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hour-item,
.min-item {
  padding: 10px;
  font-size: 36px;
  cursor: pointer;
}

.hour-item:hover,
.min-item:hover {
  background: #E3E3E3;
}

.hour-box .active,
.min-box .active {
  background: #F50057;
  color: #FFF !important;
}

::-webkit-scrollbar {
  width: 2px;
}

::-webkit-scrollbar-track {
  background: #E3E3E3;
}

::-webkit-scrollbar-thumb {
  background: #C1C1C1;
  border-radius: 2px;
}
</style>
<template>
  <div class="cov-vue-date">
    <div class="datepickbox">
      <input 
        type="text" 
        title="input date" 
        :class="option.inputClass" 
        readonly="readonly" 
        :placeholder="option.placeholder" v-model="time" :required="required" @click="showCheck" @foucus="showCheck" :style="option.inputStyle" />
    </div>
    <div class="datepicker-overlay" v-if="showInfo.check" @click="dismiss($event)" v-bind:style="{'background' : option.overlayOpacity? 'rgba(0,0,0,'+option.overlayOpacity+')' : 'rgba(0,0,0,0.5)'}">
      <div class="cov-date-body" :style="{'background-color': option.color ? option.color.header : '#3f51b5'}">
        <div class="cov-date-monthly">
          <div class="cov-date-previous" @click="nextMonth('pre')">«</div>
          <div class="cov-date-caption" :style="{'color': option.color ? option.color.headerText : '#fff'}">
            <span @click="showYear"><small>{{checked.year}}</small></span>
            <br>
            <span @click="showMonth">{{displayInfo.month}}</span>
          </div>
          <div class="cov-date-next" @click="nextMonth('next')">»</div>
        </div>
        <div class="cov-date-box" v-if="showInfo.day">
          <div class="cov-picker-box">
            <div class="week">
              <ul>
                <li v-for="weekie in library.week">{{weekie}}</li>
              </ul>
            </div>
            <div class="day" v-for="day in dayList" track-by="$index" @click="checkDay(day)" :class="{'checked':day.checked,'unavailable':day.unavailable,'passive-day': !(day.inMonth)}" :style="day.checked ? (option.color && option.color.checkedDay ? { background: option.color.checkedDay } : { background: '#F50057' }) : {}">{{day.value}}</div>
          </div>
        </div>
        <div class="cov-date-box list-box" v-if="showInfo.year">
          <div class="cov-picker-box date-list" id="yearList">
            <div class="date-item" v-for="yearItem in library.year" track-by="$index" @click="setYear(yearItem)">{{yearItem}}</div>
          </div>
        </div>
        <div class="cov-date-box list-box" v-if="showInfo.month">
          <div class="cov-picker-box date-list">
            <div class="date-item" v-for="monthItem in library.month" track-by="$index" @click="setMonth(monthItem)">{{monthItem}}</div>
          </div>
        </div>
        <div class="cov-date-box list-box" v-if="showInfo.hour">
          <div class="cov-picker-box date-list">
            <div class="watch-box">
              <div class="hour-box">
                <div class="mui-pciker-rule mui-pciker-rule-ft"></div>
                <ul>
                  <li class="hour-item" v-for="hitem in hours" @click="setTime('hour', hitem, hours)" :class="{'active':hitem.checked}">{{hitem.value}}</li>
                </ul>
              </div>
              <div class="min-box">
                <div class="mui-pciker-rule mui-pciker-rule-ft"></div>
                <div class="min-item" v-for="mitem in mins" @click="setTime('min',mitem, mins)" :class="{'active':mitem.checked}">{{mitem.value}}</div>
              </div>
            </div>
          </div>
        </div>
        <div class="button-box">
          <span @click="showInfo.check=false">{{option.buttons? option.buttons.cancel : 'Cancel' }}</span>
          <span @click="picked">{{option.buttons? option.buttons.ok : 'Ok'}}</span>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _moment = require('moment');

var _moment2 = _interopRequireDefault(_moment);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

exports.default = {
  props: {
    required: false,
    time: {
      type: String,
      required: true
    },
    option: {
      type: Object,
      default: function _default() {
        return {
          type: 'day',
          SundayFirst: false,
          week: ['Mo', 'Tu', 'We', 'Th', 'Fr', 'Sa', 'Su'],
          month: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
          format: 'YYYY-MM-DD',
          color: {
            checked: '#F50057',
            header: '#3f51b5',
            headerText: '#fff'
          },
          inputStyle: {
            'display': 'inline-block',
            'padding': '6px',
            'line-height': '22px',
            'font-size': '16px',
            'border': '2px solid #fff',
            'box-shadow': '0 1px 3px 0 rgba(0, 0, 0, 0.2)',
            'border-radius': '2px',
            'color': '#5F5F5F'
          },
          inputClass: 'cov-datepicker',
          placeholder: 'when?',
          buttons: {
            ok: 'OK',
            cancel: 'Cancel'
          },
          overlayOpacity: 0.5,
          dismissible: true
        };
      }
    },
    limit: {
      type: Array,
      default: function _default() {
        return [];
      }
    }
  },
  data: function data() {
    function hours() {
      var list = [];
      var hour = 24;
      while (hour > 0) {
        hour--;
        list.push({
          checked: false,
          value: hour < 10 ? '0' + hour : hour
        });
      }
      return list;
    }

    function mins() {
      var list = [];
      var min = 60;
      while (min > 0) {
        min--;
        list.push({
          checked: false,
          value: min < 10 ? '0' + min : min
        });
      }
      return list;
    }
    return {
      hours: hours(),
      mins: mins(),
      showInfo: {
        hour: false,
        day: false,
        month: false,
        year: false,
        check: false
      },
      displayInfo: {
        month: ''
      },
      library: {
        week: this.option.week,
        month: this.option.month,
        year: []
      },
      checked: {
        oldtime: '',
        currentMoment: null,
        year: '',
        month: '',
        day: '',
        hour: '00',
        min: '00'
      },
      dayList: [],
      selectedDays: []
    };
  },

  methods: {
    pad: function pad(n) {
      n = Math.floor(n);
      return n < 10 ? '0' + n : n;
    },
    nextMonth: function nextMonth(type) {
      var next = null;
      type === 'next' ? next = (0, _moment2.default)(this.checked.currentMoment).add(1, 'M') : next = (0, _moment2.default)(this.checked.currentMoment).add(-1, 'M');
      this.showDay(next);
    },
    showDay: function showDay(time) {
      if (time === undefined || !Date.parse(time)) {
        this.checked.currentMoment = (0, _moment2.default)();
      } else {
        this.checked.currentMoment = (0, _moment2.default)(time, this.option.format);
      }
      this.showOne('day');
      this.checked.year = (0, _moment2.default)(this.checked.currentMoment).format('YYYY');
      this.checked.month = (0, _moment2.default)(this.checked.currentMoment).format('MM');
      this.checked.day = (0, _moment2.default)(this.checked.currentMoment).format('DD');
      this.displayInfo.month = this.library.month[(0, _moment2.default)(this.checked.currentMoment).month()];
      var days = [];
      var currentMoment = this.checked.currentMoment;
      var firstDay = (0, _moment2.default)(currentMoment).date(1).day();
      // gettting previous and next month
      // let currentMonth = moment(currentMoment)
      var previousMonth = (0, _moment2.default)(currentMoment);
      var nextMonth = (0, _moment2.default)(currentMoment);
      nextMonth.add(1, 'months');
      previousMonth.subtract(1, 'months');
      var monthDays = (0, _moment2.default)(currentMoment).daysInMonth();
      var oldtime = this.checked.oldtime;
      for (var i = 1; i <= monthDays; ++i) {
        days.push({
          value: i,
          inMonth: true,
          unavailable: false,
          checked: false,
          moment: (0, _moment2.default)(currentMoment).date(i)
        });
        if (i === Math.ceil((0, _moment2.default)(currentMoment).format('D')) && (0, _moment2.default)(oldtime, this.option.format).year() === (0, _moment2.default)(currentMoment).year() && (0, _moment2.default)(oldtime, this.option.format).month() === (0, _moment2.default)(currentMoment).month()) {
          days[i - 1].checked = true;
        }
        this.checkBySelectDays(i, days);
      }
      if (firstDay === 0) firstDay = 7;
      for (var _i = 0; _i < firstDay - (this.option.SundayFirst ? 0 : 1); _i++) {
        var passiveDay = {
          value: previousMonth.daysInMonth() - _i,
          inMonth: false,
          action: 'previous',
          unavailable: false,
          checked: false,
          moment: (0, _moment2.default)(currentMoment).date(1).subtract(_i + 1, 'days')
        };
        days.unshift(passiveDay);
      }
      if (this.limit.length > 0) {
        var _iteratorNormalCompletion = true;
        var _didIteratorError = false;
        var _iteratorError = undefined;

        try {
          for (var _iterator = this.limit[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
            var li = _step.value;

            switch (li.type) {
              case 'fromto':
                days = this.limitFromTo(li, days);
                break;
              case 'weekday':
                days = this.limitWeekDay(li, days);
                break;
            }
          }
        } catch (err) {
          _didIteratorError = true;
          _iteratorError = err;
        } finally {
          try {
            if (!_iteratorNormalCompletion && _iterator.return) {
              _iterator.return();
            }
          } finally {
            if (_didIteratorError) {
              throw _iteratorError;
            }
          }
        }
      }
      var passiveDaysAtFinal = 42 - days.length;
      for (var _i2 = 1; _i2 <= passiveDaysAtFinal; _i2++) {
        var _passiveDay = {
          value: _i2,
          inMonth: false,
          action: 'next',
          unavailable: false,
          checked: false,
          moment: (0, _moment2.default)(currentMoment).add(1, 'months').date(_i2)
        };
        days.push(_passiveDay);
      }
      this.dayList = days;
    },
    checkBySelectDays: function checkBySelectDays(d, days) {
      var _this = this;

      this.selectedDays.forEach(function (day) {
        if (_this.checked.year === (0, _moment2.default)(day).format('YYYY') && _this.checked.month === (0, _moment2.default)(day).format('MM') && d === Math.ceil((0, _moment2.default)(day).format('D'))) {
          days[d - 1].checked = true;
        }
      });
    },
    limitWeekDay: function limitWeekDay(limit, days) {
      days.map(function (day) {
        if (limit.available.indexOf(Math.floor(day.moment.format('d'))) === -1) {
          day.unavailable = true;
        }
      });
      return days;
    },
    limitFromTo: function limitFromTo(limit, days) {
      var _this2 = this;

      if (limit.from || limit.to) {
        days.map(function (day) {
          if (_this2.getLimitCondition(limit, day)) {
            day.unavailable = true;
          }
        });
      }
      return days;
    },
    getLimitCondition: function getLimitCondition(limit, day) {
      var tmpMoment = (0, _moment2.default)(this.checked.year + '-' + this.pad(this.checked.month) + '-' + this.pad(day.value));
      if (limit.from && !limit.to) {
        return !tmpMoment.isAfter(limit.from);
      } else if (!limit.from && limit.to) {
        return !tmpMoment.isBefore(limit.to);
      } else {
        return !tmpMoment.isBetween(limit.from, limit.to);
      }
    },
    checkDay: function checkDay(obj) {
      if (obj.unavailable || obj.value === '') {
        return false;
      }
      if (!obj.inMonth) {
        this.nextMonth(obj.action);
      }
      if (this.option.type === 'day' || this.option.type === 'min') {
        this.dayList.forEach(function (x) {
          x.checked = false;
        });
        this.checked.day = this.pad(obj.value);
        obj.checked = true;
      } else {
        var day = this.pad(obj.value);
        var ctime = this.checked.year + '-' + this.checked.month + '-' + day;
        if (obj.checked === true) {
          obj.checked = false;
          this.selectedDays.$remove(ctime);
        } else {
          this.selectedDays.push(ctime);
          obj.checked = true;
        }
      }
      switch (this.option.type) {
        case 'day':
          this.picked();
          break;
        case 'min':
          this.showOne('hour');
          // shift activated time items to visible position.
          this.shiftActTime();
          break;
      }
    },
    showYear: function showYear() {
      var _this3 = this;

      var year = (0, _moment2.default)(this.checked.currentMoment).year();
      this.library.year = [];
      var yearTmp = [];
      for (var i = year - 100; i < year + 5; ++i) {
        yearTmp.push(i);
      }
      this.library.year = yearTmp;
      this.showOne('year');
      this.$nextTick(function () {
        var listDom = document.getElementById('yearList');
        listDom.scrollTop = listDom.scrollHeight - 100;
        _this3.addYear();
      });
    },
    showOne: function showOne(type) {
      switch (type) {
        case 'year':
          this.showInfo.hour = false;
          this.showInfo.day = false;
          this.showInfo.year = true;
          this.showInfo.month = false;
          break;
        case 'month':
          this.showInfo.hour = false;
          this.showInfo.day = false;
          this.showInfo.year = false;
          this.showInfo.month = true;
          break;
        case 'day':
          this.showInfo.hour = false;
          this.showInfo.day = true;
          this.showInfo.year = false;
          this.showInfo.month = false;
          break;
        case 'hour':
          this.showInfo.hour = true;
          this.showInfo.day = false;
          this.showInfo.year = false;
          this.showInfo.month = false;
          break;
        default:
          this.showInfo.day = true;
          this.showInfo.year = false;
          this.showInfo.month = false;
          this.showInfo.hour = false;
      }
    },
    showMonth: function showMonth() {
      this.showOne('month');
    },
    addYear: function addYear() {
      var _this4 = this;

      var listDom = document.getElementById('yearList');
      listDom.addEventListener('scroll', function (e) {
        if (listDom.scrollTop < listDom.scrollHeight - 100) {
          var len = _this4.library.year.length;
          var lastYear = _this4.library.year[len - 1];
          _this4.library.year.push(lastYear + 1);
        }
      }, false);
    },
    setYear: function setYear(year) {
      this.checked.currentMoment = (0, _moment2.default)(year + '-' + this.checked.month + '-' + this.checked.day);
      this.showDay(this.checked.currentMoment);
    },
    setMonth: function setMonth(month) {
      var mo = this.library.month.indexOf(month) + 1;
      if (mo < 10) {
        mo = '0' + '' + mo;
      }
      this.checked.currentMoment = (0, _moment2.default)(this.checked.year + '-' + mo + '-' + this.checked.day);
      this.showDay(this.checked.currentMoment);
    },
    showCheck: function showCheck() {
      if (this.time === '') {
        this.showDay();
      } else {
        if (this.option.type === 'day' || this.option.type === 'min') {
          this.checked.oldtime = this.time;
          this.showDay(this.time);
        } else {
          this.selectedDays = JSON.parse(this.time);
          if (this.selectedDays.length) {
            this.checked.oldtime = this.selectedDays[0];
            this.showDay(this.selectedDays[0]);
          } else {
            this.showDay();
          }
        }
      }
      this.showInfo.check = true;
    },
    setTime: function setTime(type, obj, list) {
      var _iteratorNormalCompletion2 = true;
      var _didIteratorError2 = false;
      var _iteratorError2 = undefined;

      try {
        for (var _iterator2 = list[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
          var item = _step2.value;

          item.checked = false;
          if (item.value === obj.value) {
            item.checked = true;
            this.checked[type] = item.value;
          }
        }
      } catch (err) {
        _didIteratorError2 = true;
        _iteratorError2 = err;
      } finally {
        try {
          if (!_iteratorNormalCompletion2 && _iterator2.return) {
            _iterator2.return();
          }
        } finally {
          if (_didIteratorError2) {
            throw _iteratorError2;
          }
        }
      }
    },
    picked: function picked() {
      if (this.option.type === 'day' || this.option.type === 'min') {
        var ctime = this.checked.year + '-' + this.checked.month + '-' + this.checked.day + ' ' + this.checked.hour + ':' + this.checked.min;
        this.checked.currentMoment = (0, _moment2.default)(ctime, 'YYYY-MM-DD HH:mm');
        this.time = (0, _moment2.default)(this.checked.currentMoment).format(this.option.format);
      } else {
        this.time = JSON.stringify(this.selectedDays);
      }
      this.showInfo.check = false;
      this.$emit('change', this.time);
    },
    dismiss: function dismiss(evt) {
      if (evt.target.className === 'datepicker-overlay') {
        if (this.option.dismissible === undefined || this.option.dismissible) {
          this.showInfo.check = false;
          this.$emit('cancel');
        }
      }
    },
    shiftActTime: function shiftActTime() {
      // shift activated time items to visible position.
      this.$nextTick(function () {
        if (!document.querySelector('.hour-item.active')) {
          return false;
        }
        document.querySelector('.hour-box').scrollTop = (document.querySelector('.hour-item.active').offsetTop || 0) - 250;
        document.querySelector('.min-box').scrollTop = (document.querySelector('.min-item.active').offsetTop || 0) - 250;
      });
    }
  }
};
</script>